<header class="navbar navbar-inverse navbar-fixed-top docs-nav" role="banner">
  <div class="container">
    <div class="navbar-header">
      <button class="navbar-toggle" type="button" data-toggle="collapse" data-target=".bs-navbar-collapse">
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
      </button>
    </div>
    <nav class="collapse navbar-collapse bs-navbar-collapse" role="navigation">
      <ul class="nav navbar-nav">    
        <li>
          <a href="{{ '/' | prepend: site.baseurl }}">Home</a>
        </li>
        <li>
          <a href="{{ '/categories/' | prepend: site.baseurl }}">Category</a>
        </li>
        <li>
          <a href="{{ '/tag' | prepend: site.baseurl }}">Tags</a>
        </li>
      </ul>
      <ul class="nav navbar-nav navbar-right">
        <li class="dropdown">
          <a href="#" class="dropdown-toggle" data-toggle="dropdown">About<b class="caret"></b></a>
          <ul class="dropdown-menu">
            <li><a rel="nofollow" target="_blank" href="{{site.github}}"><span class='fa fa-github'></span>&nbsp;&nbsp;{{site.github_username}}</a></li>
            <li><a rel="nofollow" target="_blank" href="{{site.stackoverflow}}"><span class='fa fa-stack-overflow'></span>&nbsp;&nbsp;stackoverflow</a></li>
            <li><a rel="nofollow" href="{{ '/books' | prepend: site.baseurl }}"><span class='fa fa-book'></span>&nbsp;&nbsp;BookList</a></li>
            <li><a target="_blank" href="{{ '/feed.xml' | prepend: site.baseurl }}"><span class='fa fa-rss'></span>&nbsp;&nbsp;RSS Feed</a></li>
          </ul>
        </li>
      </ul>
    </nav>
  </div>
</header>
